User profiles for J. D. Fletcher

JD Fletcher

National Physical Laboratory
Verified email at npl.co.uk
Cited by 2630

Effectiveness of intelligent tutoring systems: a meta-analytic review

JA Kulik, JD Fletcher - Review of educational research, 2016 - journals.sagepub.com
This review describes a meta-analysis of findings from 50 controlled evaluations of intelligent
computer tutoring systems. The median effect of intelligent tutoring in the 50 evaluations …

Game-based learning

S Tobias, JD Fletcher, AP Wind - Handbook of research on educational …, 2014 - Springer
… There has been a sharp increase in the number of studies dealing with computer games,
since we started to monitor this literature (Fletcher & Tobias, 2006). It is, therefore, impossible to …

[BOOK][B] Computer games and instruction

S Tobias, JD Fletcher - 2011 - journals.sagepub.com
… In Computer Games and Instruction, Sigmund Tobias and JD Fletcher provide an indispensable
and comprehensive review of the field. Published in 2011, this 550-page book consists …

Cognitive readiness

JE Morrison, JD Fletcher - Institute for Defense Analyses, 2002 - apps.dtic.mil
Cognitive readiness is described as the mental preparation an individual needs to establish
and sustain competent performance in the complex and unpredictable environment of …

The multimedia principle

JD Fletcher, S Tobias - The Cambridge handbook of multimedia …, 2005 - cambridge.org
… augmented text with pictures or graphics for a long time, enhanced interest in this topic
arises from the instructional success and popularity of computer-based presentations (Fletcher, …

Small Fermi Surface Pockets in Underdoped High Temperature Superconductors: Observation of Shubnikov–de Haas Oscillations in

AF Bangura, JD Fletcher, A Carrington, J Levallois… - Physical Review Letters, 2008 - APS
We report the observation of Shubnikov–de Haas oscillations in the underdoped cuprate
superconductor YBa 2 Cu 4 O 8 (Y124). For fields aligned along the c axis, the frequency of the …

[HTML][HTML] Towards a quantum representation of the ampere using single electron pumps

SP Giblin, M Kataoka, JD Fletcher, P See… - Nature …, 2012 - nature.com
Electron pumps generate a macroscopic electric current by controlled manipulation of single
electrons. Despite intensive research towards a quantum current standard over the last 25 …

[BOOK][B] Effectiveness and cost of interactive videodisc instruction in defense training and education

JD Fletcher - 1990 - apps.dtic.mil
In response to Congressional direction, a quantitative, analytical review a meta-analysis was
completed of interactive videodisc instruction applied in Defense training and in the related …

Evidence for a nodal-line superconducting state in LaFePO

JD Fletcher, A Serafin, L Malone, JG Analytis, JH Chu… - Physical review …, 2009 - APS
In several iron-arsenide superconductors there is strong evidence for a fully gapped
superconducting state consistent with either a conventional s-wave symmetry or an unusual s±state …

Review of research on computer games

S Tobias, JD Fletcher, DY Dai… - Computer games and …, 2011 - books.google.com
… made in the introductory chapter (Tobias & Fletcher, this volume). An extended review of …
in instruction appear in the final chapter (Tobias & Fletcher, Chapter 21, this volume). The …